on friday, we'll consider what bankruptcy means for already battered detroit. i'm gwen ifill >> brown: and i'm jeffrey brown. we'll see you online and again here tomorrow evening with david brooks and ruth marcus, among others. thanks for joining us. good night. >> major funding for the pbs newshour has been provided by: >> and the william and flora hewlett foundation, working to solve social and environmental problems at home and around the world. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. captioning sponsored by macneil/lehrer productions captioned by media access group at wgbh access.wgbh.org stocks fell on worries that china might... announcer: the new pbs for ipad app. you'll never know what you'll find. [dog barks] announcer: available now in the app store. >>> this is "nightly business report" with tyler mathisen and susie gharib brought to you by. >> sailing through th